moore Mgadistes townsendii Oct. 27, 1929. Two solitaries were observed flitting about among the cat-claw, and mesquite around a desert spring twenty three miles N.E. of Whitewater Station, Riverside county California. Their relaxed mode of flight resembles that of some of the larger flycatchers, but the clear bell-like notes issued by the birds as they pursued their prey of insects, and the conspicuous white bars of the wings fixed their identity.